Audaz ADZ-2050vsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

ADZ-2050

JDD (Jumbo Day/Date) Anthracite Diver's Automatic
Diameter
50mm
46mm
Lug-to-Lug
n/a
55mm
Thickness
n/a
18mm
Water Resistance
200m
300m
highest
MSRP
$350
lowest
$3,250
Movement
Seiko NH35
Sellita SW220-1
Case
6 specsCrystal & Dial
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Audaz ADZ-3030 is seen as a versatile automatic watch with a 42mm case, suitable for diving and formal occasions. Owners praise its amazing phosphorus blue lume. However, the Audaz ADZ-3030 is criticized for being a blatant copy of iconic watches, with skepticism expressed about its water resistance. One owner notes the 42mm case is a little big on smaller wrists. Overall, owners rate the Audaz ADZ-3030 for its lume and versatility, though some express concerns about its design originality and case size.
The Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic is widely praised as a tough, underrated tool watch with excellent legibility due to its tritium lume. Owners appreciate its robust build and lifestyle appeal, though its 46mm size is a common point of criticism, with some finding it heavy and top-heavy. One reviewer noted the white day/date discs clash with the anthracite dial, and an owner observed the watch running about 10 seconds fast over three days. On balance, owners and reviewers rate the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic highly for its robust build and excellent legibility as a tool watch, despite its substantial size.
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